./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:11:31,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:11:31,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:11:31,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:11:31,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:11:31,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:11:31,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:11:31,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:11:31,585 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:11:31,585 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:11:31,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:11:31,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:11:31,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:11:31,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:11:31,586 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:11:31,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:11:31,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:11:31,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:11:31,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:11:31,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:11:31,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:11:31,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:11:31,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:11:31,587 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:11:31,587 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:11:31,587 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:11:31,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:11:31,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:11:31,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:11:31,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:11:31,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:11:31,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:11:31,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:11:31,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:11:31,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:11:31,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:11:31,590 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2025-01-09 17:11:31,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:11:31,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:11:31,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:11:31,818 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:11:31,818 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:11:31,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2025-01-09 17:11:32,948 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/751cd5e9e/ad09d23d7704445a94906c5c04ae1895/FLAGc6304e7a2 [2025-01-09 17:11:33,442 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:11:33,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2025-01-09 17:11:33,468 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/751cd5e9e/ad09d23d7704445a94906c5c04ae1895/FLAGc6304e7a2 [2025-01-09 17:11:33,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/751cd5e9e/ad09d23d7704445a94906c5c04ae1895 [2025-01-09 17:11:33,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:11:33,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:11:33,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:11:33,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:11:33,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:11:33,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:11:33" (1/1) ... [2025-01-09 17:11:33,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4103ea8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:33, skipping insertion in model container [2025-01-09 17:11:33,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:11:33" (1/1) ... [2025-01-09 17:11:33,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:11:33,773 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2025-01-09 17:11:33,778 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2025-01-09 17:11:34,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,269 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,269 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,277 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,277 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:11:34,734 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:11:34,743 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2025-01-09 17:11:34,743 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2025-01-09 17:11:34,771 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-01-09 17:11:34,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:11:34,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-01-09 17:11:34,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:11:35,076 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:11:35,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35 WrapperNode [2025-01-09 17:11:35,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:11:35,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:11:35,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:11:35,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:11:35,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,197 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2025-01-09 17:11:35,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:11:35,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:11:35,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:11:35,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:11:35,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,218 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,272 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [2, 257, 6, 4, 8, 37, 248, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 2, 2, 2, 6, 5]. The 504 writes are split as follows [0, 257, 2, 0, 0, 9, 236, 0]. [2025-01-09 17:11:35,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,319 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:11:35,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:11:35,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:11:35,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:11:35,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (1/1) ... [2025-01-09 17:11:35,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:11:35,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:11:35,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:11:35,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:11:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-01-09 17:11:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-01-09 17:11:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:11:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:11:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:11:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:11:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 17:11:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 17:11:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:11:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:11:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:11:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:11:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-01-09 17:11:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-01-09 17:11:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:11:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:11:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:11:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:11:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:11:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:11:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-01-09 17:11:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:11:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2025-01-09 17:11:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:11:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:11:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:11:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:11:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:11:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:11:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:11:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:11:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:11:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:11:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:11:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:11:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:11:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:11:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:11:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:11:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:11:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:11:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:11:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:11:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:11:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:11:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:11:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:11:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:11:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:11:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:11:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:11:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:11:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:11:35,741 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:11:35,743 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:11:43,358 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2025-01-09 17:11:43,359 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:11:43,369 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:11:43,371 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:11:43,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:11:43 BoogieIcfgContainer [2025-01-09 17:11:43,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:11:43,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:11:43,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:11:43,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:11:43,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:11:33" (1/3) ... [2025-01-09 17:11:43,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a170a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:11:43, skipping insertion in model container [2025-01-09 17:11:43,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:35" (2/3) ... [2025-01-09 17:11:43,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a170a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:11:43, skipping insertion in model container [2025-01-09 17:11:43,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:11:43" (3/3) ... [2025-01-09 17:11:43,377 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness.i [2025-01-09 17:11:43,390 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:11:43,391 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be16_harness.i that has 19 procedures, 217 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-01-09 17:11:43,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:11:43,441 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d13b113, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:11:43,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:11:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-09 17:11:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-01-09 17:11:43,454 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:11:43,454 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:11:43,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:11:43,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:11:43,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2038141243, now seen corresponding path program 1 times [2025-01-09 17:11:43,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:11:43,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910755631] [2025-01-09 17:11:43,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:11:43,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:12:50,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-09 17:12:50,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-09 17:12:50,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:12:50,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:12:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-01-09 17:12:51,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:12:51,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910755631] [2025-01-09 17:12:51,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910755631] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:12:51,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581364189] [2025-01-09 17:12:51,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:12:51,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:12:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:12:51,246 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:12:51,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process